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Start Over You searched for: Creator Sneath, P. H. A. (Peter Henry Andrews), 1923-2011 ✖ Remove constraint Creator: Sneath, P. H. A. (Peter Henry Andrews), 1923-2011 Language English ✖ Remove constraint Language: English Subject Escherichia coli ✖ Remove constraint Subject: Escherichia coli Periodical Proceedings of the National Academy of Sciences of the United States of America ✖ Remove constraint Periodical: Proceedings of the National Academy of Sciences of the United States of America